Author: Bruce Richardson Date: To: Exim users list Subject: Re: [Exim] Greylisting + multiple MX hosts -> multiple attempts
On Tue, Mar 23, 2004 at 12:01:10PM -0800, Tor Slettnes wrote: > Current spamware tools typically retry right away (without waiting) --
If greylisting becomes widespread, how long do you think it will be
before they change that. It isn't rocked science.
> Spamware typically does NOT cache the mail for repeated attempts later
> - doing so for thousands of recipient addresses puts too much of a
> burden on the spamming machines. > Spammers care about getting their
> message out to as many people as possible with as little resources as
> possible - if they run into any low-scale problems, they ingore them
> and move on.
If greylisting becomes common, it stops being a low-scale problem and
they deal with it. Shouldn't be hard.
